Maternity Classic Black Maternity Wrap Dress 95% Cotton/5% Lycra Machine Wash Black short sleeve Maternity Wrap Dress, Machine washable Small (Pre-Pregnancy Size 4-6) has Maternity Chest 29-33 inches and Maternity Hips 31-35 inches. Medium (Pre-Pregnancy Size 8) has Maternity Chest 33-35 inches and Maternity Hips 35-37 inches. Large (Pre-Pregnancy Size 10) has Maternity Chest 36-38 inches and Maternity Hips 38-40 inches. Extra Large (Pre-Pregnancy Size 12) has Maternity Chest 38-40 inches and Maternity Hips 40-42 inches. Plus 1 (Pre-Pregnancy Size 14) has Maternity Chest 41-43 inches and Maternity Hips 43-44 inches. Plus 2 (Pre-Pregnancy Size 16) has Maternity Chest 43-45 inches and Maternity Hips 45-47 inches. Plus 3 (Pre-Pregnancy Size 18) has Maternity Chest 45-47 inches and Maternity Hips 47-49 inches. Plus 4 (Pre-Pregnancy Size 20) has Maternity Chest 47-50 inches and Maternity Hips 50-51 inches.